import {Module} from 'vuex';
import {RootStateTypes, TagsViewState} from '@/store/types';

const tagsViewModule: Module<TagsViewState, RootStateTypes> = {
  namespaced: true,
  state: {
    visitedViews: [],
    cachedViews: [],
    currentView: {},
    isCurrentViewFull: false,
  },
  mutations: {
    ADD_VISITED_VIEW: (state, view) => {
      if (state.visitedViews.some(v => v.path === view.path)) return;
      state.visitedViews.push(
        Object.assign({}, view, {
          title: view.meta.title || 'no-name'
        })
      )
    },
    ADD_CACHED_VIEW: (state, view) => {
      // if (!store.getters['themeConfig/isCacheTagsView']) return;
      if (state.cachedViews.includes(view.name)) return;
      if (!view.meta.noCache) {
        console.log('view.nameview.name,', view.name)
        state.cachedViews.push(view.name)
      }
    },

    DEL_VISITED_VIEW: (state, view) => {
      for (const [i, v] of state.visitedViews.entries()) {
        if (v.path === view.path) {
          state.visitedViews.splice(i, 1)
          break
        }
      }
    },
    DEL_CACHED_VIEW: (state, view) => {
      const index = state.cachedViews.indexOf(view.name)
      index > -1 && state.cachedViews.splice(index, 1)
    },

    DEL_OTHERS_VISITED_VIEWS: (state, view) => {
      state.visitedViews = state.visitedViews.filter(v => {
        return (v.meta && v.meta.isAffix) || v.path === view.path
      })
    },
    DEL_OTHERS_CACHED_VIEWS: (state, view) => {
      const index = state.cachedViews.indexOf(view.name)
      if (index > -1) {
        state.cachedViews = state.cachedViews.slice(index, index + 1)
      } else {
        // if index = -1, there is no cached tags
        state.cachedViews = []
      }
    },

    DEL_ALL_VISITED_VIEWS: state => {
      state.visitedViews = state.visitedViews.filter(tag => tag.meta && tag.meta.isAffix)
    },
    DEL_ALL_CACHED_VIEWS: state => {
      state.cachedViews = []
    },

    UPDATE_VISITED_VIEW: (state, view) => {
      for (let v of state.visitedViews) {
        if (v.path === view.path) {
          v = Object.assign(v, view)
          break
        }
      }
    },

    SET_CURRENT_VIEW: (state, view) => {
      state.currentView = view
    },
    // 设置卡片全屏
    CHANGE_CURRENT_VIEW_FULL(state: any, bool: boolean) {
      state.isCurrentViewFull = bool;
    },
  },
  actions: {
    addView({dispatch}, view) {
      dispatch('addVisitedView', view);
      dispatch('addCachedView', view)
    },
    addVisitedView({commit}, view) {
      commit('ADD_VISITED_VIEW', view)
    },
    addCachedView({commit}, view) {
      commit('ADD_CACHED_VIEW', view)
    },

    delView({dispatch, state}, view) {
      return new Promise(resolve => {
        dispatch('delVisitedView', view);
        dispatch('delCachedView', view);
        resolve({
          visitedViews: [...state.visitedViews],
          cachedViews: [...state.cachedViews]
        })
      })
    },
    delVisitedView({commit, state}, view) {
      return new Promise(resolve => {
        commit('DEL_VISITED_VIEW', view);
        resolve([...state.visitedViews])
      })
    },
    delCachedView({commit, state}, view) {
      return new Promise(resolve => {
        commit('DEL_CACHED_VIEW', view);
        resolve([...state.cachedViews])
      })
    },

    delOthersViews({dispatch, state}, view) {
      return new Promise(resolve => {
        dispatch('delOthersVisitedViews', view);
        dispatch('delOthersCachedViews', view);
        resolve({
          visitedViews: [...state.visitedViews],
          cachedViews: [...state.cachedViews]
        })
      })
    },
    delOthersVisitedViews({commit, state}, view) {
      return new Promise(resolve => {
        commit('DEL_OTHERS_VISITED_VIEWS', view);
        resolve([...state.visitedViews])
      })
    },
    delOthersCachedViews({commit, state}, view) {
      return new Promise(resolve => {
        commit('DEL_OTHERS_CACHED_VIEWS', view);
        resolve([...state.cachedViews])
      })
    },

    delAllViews({dispatch, state}, view) {
      return new Promise(resolve => {
        dispatch('delAllVisitedViews', view);
        dispatch('delAllCachedViews', view);
        resolve({
          visitedViews: [...state.visitedViews],
          cachedViews: [...state.cachedViews]
        })
      })
    },
    delAllVisitedViews({commit, state}) {
      return new Promise(resolve => {
        commit('DEL_ALL_VISITED_VIEWS');
        resolve([...state.visitedViews])
      })
    },
    delAllCachedViews({commit, state}) {
      return new Promise(resolve => {
        commit('DEL_ALL_CACHED_VIEWS');
        resolve([...state.cachedViews])
      })
    },

    updateVisitedView({commit}, view) {
      commit('UPDATE_VISITED_VIEW', view)
    },

    setCurrentView({commit}, view) {
      commit('SET_CURRENT_VIEW', view)
    },
    // 设置卡片全屏
    changeCurrentViewFull({commit}, bool: Boolean) {
      commit('CHANGE_CURRENT_VIEW_FULL', bool);
    },
  },
};

export default tagsViewModule;
